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Product Overview
The CD74HCT40105MT is a high-speed CMOS FIFO (First-In, First-Out) register from Texas Instruments. It features a 4-bit wide by 16-word deep memory array with 3-state outputs, designed for buffering and data synchronization in digital systems. Operating from a 4.5V to 5.5V supply, it offers low power consumption and high noise immunity typical of HCT logic. The device is ideal for applications requiring temporary data storage, rate matching, or bus interfacing.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| Operating Temperature |
-55°C to +125°C |
| Propagation Delay (tpd) |
30 ns (max) at 5V |
| Output Current (IO) |
±4 mA |
| Package |
16-SOIC |
| Logic Family |
HCT |
| Number of Bits |
4 |
| Number of Words |
16 |
| Output Type |
3-State |
Key Features
- 4-bit wide by 16-word deep FIFO memory
- 3-state outputs for bus-oriented systems
- High-speed operation: tpd = 30 ns max at 5V
- Low power consumption: ICC = 80 µA max
- Wide operating temperature range: -55°C to +125°C
- Input and output compatible with TTL levels
- Asynchronous read and write operations
- Full and empty flags for status indication
- Package: 16-pin SOIC (small outline integrated circuit)
Target Applications
- Data buffering in 5G base station control boards
- Rate matching between high-speed ADCs and DSPs in automotive radar systems
- Interface buffering in industrial PLCs (e.g., Siemens S7-1200)
- Temporary storage in digital oscilloscopes (e.g., Tektronix TDS series)
- Bus isolation in automotive dashboard display controllers
- FIFO for UART data in IoT gateways
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HCT40105MT. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
CD74HCT40105MT 是一款來自德州儀器的高速 CMOS FIFO(先進先出)寄存器。它採用 4 位寬 x 16 字深的存儲陣列,帶有三態輸出,適用於數字系統中的緩衝和數據同步。工作電壓為 4.5V 至 5.5V,具有低功耗和 HCT 邏輯典型的高抗噪性。該器件非常適合需要臨時數據存儲、速率匹配或總線接口的應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 工作溫度 |
-55°C 至 +125°C |
| 傳播延遲 (tpd) |
30 ns(最大值,5V 時) |
| 輸出電流 (IO) |
±4 mA |
| 封裝 |
16-SOIC |
| 邏輯系列 |
HCT |
| 位數 |
4 |
| 字數 |
16 |
| 輸出類型 |
三態 |
核心特性
- 4 位寬 x 16 字深 FIFO 存儲器
- 三態輸出,適用於總線系統
- 高速操作:5V 時 tpd 最大 30 ns
- 低功耗:ICC 最大 80 µA
- 寬工作溫度範圍:-55°C 至 +125°C
- 輸入和輸出與 TTL 電平兼容
- 異步讀寫操作
- 滿和空標誌用於狀態指示
- 封裝:16 引腳 SOIC(小外形集成電路)
典型應用場景
- 5G 基站控制板中的數據緩衝
- 汽車雷達系統中高速 ADC 與 DSP 之間的速率匹配
- 工業 PLC(如西門子 S7-1200)中的接口緩衝
- 數字示波器(如泰克 TDS 系列)中的臨時存儲
- 汽車儀表盤顯示控制器中的總線隔離
- 物聯網網關中 UART 數據的 FIFO
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HCT40105MT 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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